MESON Chess Problem Database

Problem Display
PID: 148829 (b4Q2/b1rP4/1R2B1pq/p1BPp2r/P1k1p1Np/4p3/1KP3n1/8 w - - 0 1)

Grabowski, Kazimierz

Good Companions (March), 1918

b4Q2/b1rP4/1R2B1pq/p1BPp2r/P1k1p1Np/4p3/1KP3n1/8

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.dxc6#
    • 1...Bc6
      • 2.dxc6#
    • 1...Sf4
      • 2.Sxe3#
    • 1...g5
      • 2.Sxe5#
  • Keys
    • 1.Rc6!
      • threat
        • 2.d6#
      • 1...Rb7+
        • 2.Bb6#
      • 1...Rxc6
        • 2.dxc6#
      • 1...Bxc5
        • 2.Qxc5#
      • 1...Bxc6
        • 2.dxc6#
      • 1...Sf4
        • 2.Sxe3#
      • 1...g5
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(l);OGATE::B(H)+P(F),XR(l)
    • B(m);OGATE::B(H)+P(F),XB(m)
    • S(a);N_GUARD,S_CUTQ(j)::S(D),XP(b)
    • P(i);S_CUTR(h)::S(D),XP(g)
  • Actual
    • R(G);
    • Threat
      • B(H)+P(F)
    • Vars
      • R(l);CHECK,N_GUARD,S_CUTB(m)::R(G)+B(E)
      • R(l);OGATE,XR(G)::B(H)+P(F),XR(l)
      • B(k);OGATE,P_SPINB(k),XB(E)::QAR1(J),XB(k)
      • B(m);OGATE,XR(G)::B(H)+P(F),XB(m)
      • S(a);N_GUARD,S_CUTQ(j)::S(D),XP(b)
      • P(i);S_CUTR(h)::S(D),XP(g)
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Developed and maintained by Brian Stephenson.
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